Process optimization of black water flash system in dry pulverized coal gasifier
Aiming at the problems existing in GSP dry pulverized coal gasification process plant,such as insufficient equipment capacity of flash system,poor flash effect,system overload operation,wear and blockage of pipeline equipment,and excessive on-site combustible gas,etc.,which affected the long-term operation,by process optimization of syngas washing,side-flash,secondary flash and other systems,and technical renovation of adding the clarification tank and filter at the same time,the problems existing in the flash system were solved.The 1.0 MPa saturated steam consumption was reduced by 10.3 t/h and the demineralized water consumption was reduced by 110 t/h compared with those before the renovation.
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